title: Role of membrane potential and calcium in chemotactic sensing by bacteria.
mesh_terms: D002118:Calcium / Q000502:physiology*; D002630:Chemotactic Factors / Q000494:pharmacology; D002633:Chemotaxis; D004533:Egtazic Acid; D004926:Escherichia coli / Q000378:metabolism / Q000502:physiology*; D005456:Fluorescent Dyes / Q000378:metabolism; D008564:Membrane Potentials / Q000187:drug effects; D009861:Onium Compounds / Q000378:metabolism; D009943:Organophosphorus Compounds; D012486:Salmonella typhimurium / Q000502:physiology
chemical_list: D002630:Chemotactic Factors; D005456:Fluorescent Dyes; D009861:Onium Compounds; D009943:Organophosphorus Compounds; D004533:Egtazic Acid; D002118:Calcium; C013289:tetraphenylphosphonium